how do i turn off the maintenance light after an oil change? on 2008 Scion xD

it turns on after every three thousand miles...

Asked by for the 2008 Scion xD
1. Turn key to "on" position
2. set odometer to Trip A
3. Turn key to "off" position
4. with left hand press and hold odometer reset button and turn key to "on" position. Odometer will have a timer count down to zero.
I have this in my car so I can remember it!!